Projection Welding Fundamentals. In most applications one of the workpiece surfaces features multiple small formed projectionsround dimples elongated ridges or rings or the extended corners of weld nuts. The current and the heat generation are localized by the shape of the workpieces either with their natural shape or with specially.
PROJECTION SHAPE SIZE CONSISTENCY. In projection welding normally several projections or even a full ring projection are being welded at the same time. Welding Processes Part 2.
This article discusses the applications of PW generally categorized as either embossed-projection welding or solid-projection welding.
The current and the heat generation are localized by the shape of the workpieces either with their natural shape or with specially. Projection welding is a variation of resistance welding in which current flow is concentrated at the point of contact with a local geometric extension of one or both of the parts being welded. Projection welding PW is a variation of resistance welding in which current flow is concentrated at the point of contact with a local geometric extension of one or both of the parts being welded. Resistance spot and seam projection flash and upset and high-frequency.